The Sagebrush Sheep Moth or Hera Buckmoth (Hemileuca hera) is a moth of the Saturniidae family. It is found from southern Saskatchewan west to British Columbia, south to Arizona and New Mexico. The wingspan is 71–93 mm. Adults are on wing from July to September depending on the location. The larvae of Hemileuca hera hera feed on Artemisia tridentata, A. tripartita, Lupinus and Eriogonum. The larvae of Hemileuca hera marcata feed on A. tridentata.